# How to Use Guess and Check to Add & Subtract?

You can guess the answer to a subtraction or addition problem. Compatible numbers are well-matched numbers that can easily be added or subtracted when performing mental calculations. Afterward, you... Read More »

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## How to Guess and Check?

In mathemathics, "Guess and Check" can be a way of determining two or more numbers based on their relations with other numbers. These are best done using a table and if needed, equations/rules.
http://www.wikihow.com/Guess-and-Check

## Guess-&-Check Table Activities?

"Guess and check" is a way for students to learn to solve mathematical problems. Students make a guess and then check to see if it satisfies the conditions of the problem. The students then try to ... Read More »
http://www.ehow.com/list_6825436_guess__amp__check-table-activities.html

Guess and check is a method to solve math problems. This strategy works well to solve math story problems. Guess and check helps you explore the interconnectedness and relationships between the num... Read More »

## If you had to guess the most popular names for twins, what would you guess?

Jacob and JoshuaGabrielle and Isabella Madison and Morgan

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